/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.table.runtime.operators.window.tvf.asyncprocessing.state;

import org.apache.flink.api.common.state.v2.StateFuture;
import org.apache.flink.table.runtime.operators.window.tvf.state.WindowState;

/**
 * A base interface for manipulate state with window namespace.
 *
 * <p>Different with {@link WindowState}, this interface is based on async state api.
 */
public interface WindowAsyncState<W> {

    /** Removes the value mapped under current key and the given window. */
    StateFuture<Void> asyncClear(W window);
}
